Ammunition and explosives – Mines – Igniting means
Patent
1986-12-23
1988-05-24
Parr, Ted L.
Ammunition and explosives
Mines
Igniting means
102217, 1022754, 10227512, F42B 2326, F42C 1902
Patent
active
047458623
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to a holder for a mine fuze for an antitank mine, the mine fuze incorporating a booster charge, a detonator for firing the booster charge, and a spring-biassed firing pin for firing the detonator.
BACKGROUND PRIOR ART
Known mine fuzes have a restricted use, due to the fact that they can only be used for certain types of mine in which the chamber or recess into which the fuze is fitted conforms with the external dimensions of the fuze. Neither can present day mine fuzes be readily primed to initiate firing of remotely situated explosive charges, e.g. in remotely located mines.
SUMMARY OF THE INVENTION
Consequently, it is the object of the present invention to provide a holder of the aforementioned kind which will enable the mine fuze to be primed in different kinds of mines incorporating mine-fuze recesses of mutually different size, and to enable the fuze to initiate firing of one or more remotely located explosive charges. These objects are achieved with the arrangement according to the invention having the characteristic features set forth in claim 1.
Further developments of the invention are set forth in the depending claims.
In accordance with the invention, the holder, which can be detachably connected to the mine fuze, it dimensioned to fit into a fuze-location, provided in the antitank mine, in which the booster is in firing relationship with the conventional high explosive charge of the mine, and is provided with connecting means for at least one initiating cord intended for initiating the firing of one or more explosive charges laid in the ground at a given distance from the mine fuze, the booster charge being in firing relationship with the initiating cord. This arrangement enables the holder to be dimensioned for any desired type of antitank mine, such that the mine fuze with the holder attached can be selectively primed in a desired fuze-location in the mine, or alternatively can be primed for use as a hidden booby trap for firing the aforesaid explosive charges located in the ground. These explosive charges are suitably placed behind the fuze, as seen in the direction in which an enemy force advances, so that the forward part of this force triggers the mine fuze, which subsequently fires the rearwardly lying explosive charges, via the initiating cords, i.e. beneath the rearwardly located part of the enemy force.
BRIEF DESCRIPTION OF THE DRAWINGS
The invention will now be described in more detail with references to the accompanying drawings, which illustrate a preferred embodiment of the invention.
FIG. 1 is a central, partial longitudinal sectional view which illustrates how a mine fuze and a holder according to the invention can be primed in a mine.
FIGS. 2 and 3 are central longitudinal views of two different types of a charge portion incorporated in the holder illustrated in FIG. 1. FIG. 4 is a side view, partly in central longitudinal section, illustrating how the mine fuze and the holder shown in FIG. 1 can be fitted together. FIG. 5 is a side view, partly in central longitudinal section, of the mine fuze and the holder shown in FIG. 1, arranged for initiating the firing of remotely located explosive charges.
DESCRIPTION OF A PREFERRED EMBODIMENT
In FIG. 1 there is shown a mine fuze 1 which includes a plastic or metal housing 2 and incorporates a schematically illustrated firing sequence, comprising a firing pin 3, a detonator 4, and a first booster charge 5. The firing pin is arranged to strike the detonator 4, through the agency of a firing spring 6, in response to the action of a pressure sensor 7 (not described in detail) which is arranged to release the firing pin 3 when sensing a pre-determined load exerted by a tracked or wheeled vehicle passing over the sensor. In addition, the arrangement may include a known counterbalance adapted to fire the booster charge, via the firing pin, when the steady state of the mine is disturbed.
The detonator 4 is carried by a detonator holder 8 which can be moved in a manner now shown (for e
REFERENCES:
patent: 3272125 (1966-09-01), Adams
patent: 4471696 (1984-09-01), Clayson
Arnell Claes
Risberg Stig
Affarsverket FFV
Parr Ted L.
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